The impact of deforestation on carbon in the Earth's atmosphere is that it adds carbon to the atmosphere that is removed from storage in biomass and soil.
Trees and vegetation store a significant amount of carbon through the process of photosynthesis.
When forests are cleared for various purposes, such as agriculture, logging, or urbanization, the stored carbon is released back into the atmosphere in the form of carbon dioxide (CO2) through burning or decomposition. This contributes to the increase in atmospheric CO2 levels, which is a major driver of climate change. Therefore, deforestation acts as a source of carbon emissions, exacerbating the greenhouse effect and global warming.
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What defines a syncline best? Select one or more: a. It has a shape like an upside-down U (like a hill) b. The youngest rocks are found on the center of the fold on the folds axis. c. The oldest rocks are found in the center of the fold on the folds axis d. It has a U shape
a syncline is a type of fold that is defined by its shape and the location of its rock layers. It is characterized by a downward curve or dip in rock layers, creating a shape similar to an upside-down U or a trough.
The youngest rocks are typically found on the outer edges of the fold, while the oldest rocks are located in the center of the fold on the fold's axis. This is due to the folding process that causes the rock layers to buckle and fold upon themselves, creating a dip in the layers. As a result, the layers are compressed and pushed together, causing the outer layers to be younger and the inner layers to be older. Therefore, the best way to define a syncline is by its U-shaped or trough-like appearance, as well as the location of its rock layers.
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Kansanshi Mines Kansanshi mines a subsidiary of first quantum minerals, which operates in Solwezi. It is involved in the mining of copper and gold, at its three (3) open pit mines. The company has recorded 5% deaths among its 1200, employees due to unsafety operations of the mining environment. The company has decided to improve its health and safety training to be used on smart phone of the company employees for flexibility and ease of access, as a mode of training. The company intends to sell the service to other mining companies for an annual fixed charge. Questions: 1. Explain any three (3) e-commerce mercantile models that can be used by Kansanshi mines ) 2. Outline any three (3) types of e-commerce applications that Kansanshi is poised to engage in
Three e-commerce mercantile models that can be used by Kansanshi Mines are:
a. Business-to-Business (B2B) model: Kansanshi Mines can offer their health and safety training service to other mining companies through B2B e-commerce.
b. Software as a Service (SaaS) model: Kansanshi Mines can develop a smart phone application for health and safety training and offer it as a subscription-based service to mining companies.
c. Online Marketplace model: Kansanshi Mines can create an online marketplace where they offer their health and safety training service alongside other related products and services.
Three types of e-commerce applications that Kansanshi Mines is poised to engage in are:
a. Mobile Learning: Kansanshi Mines can develop a smart phone application for health and safety training, enabling employees to access training materials anytime, anywhere.
b. Remote Monitoring and Reporting: Through the smart phone application, Kansanshi Mines can implement systems for employees to report safety concerns, incidents, or hazards in real-time
c. E-commerce Analytics: Kansanshi Mines can utilize e-commerce analytics to gather data on the usage of their training application. They can track user engagement, completion rates, and performance metrics to assess the effectiveness of the training program.
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The rock layer closest to the surface is ____ in age than the layers beneath them.
The rock layer closest to the surface is younger in age than the layers beneath them.
This is the law of superposition, which states that in a sequence of undisturbed sedimentary rocks, the oldest layers are at the bottom and the youngest layers are at the top. As a result, a geologist can tell the relative ages of the rocks based on their position in the sequence of rock layers.
The rock layers closest to the surface have been exposed to erosion and weathering, which can wear away the younger layers and leave the older ones intact. As a result, the rock layers closest to the surface are usually younger than the layers beneath them. This is because the older layers are deeper in the ground, protected by the younger layers from the effects of weathering and erosion. Therefore, the law of superposition can be used by geologists to interpret the age of the rock layers in a given area.
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Just one patagraph
Why
is environmental justice part of the environmental
movement?
Environmental justice is an important part of the environmental movement because it focuses on the fair and equitable distribution of environmental benefits and burdens.
It acknowledges that certain communities, often low-income and communities of colour, bear a disproportionate share of environmental hazards and pollution. The environmental movement seeks to protect the natural environment for all, but environmental justice recognizes that not all communities have equal access to a healthy and sustainable environment. Thus, it seeks to address the systemic and institutional factors that perpetuate environmental injustices. By working towards environmental justice, the environmental movement can ensure that all people have the right to live in a safe and healthy environment, regardless of their race, ethnicity, or socio-economic status.
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Which of the following are major threats to the survival of rain forests?
Cattle production
Commercial logging
Mining for natural resources
Construction of dams
Subsistence farming
All of the listed activities are major threats to the survival of rain forests.
Cattle production is a significant driver of deforestation in many areas, as forests are cleared to make way for grazing land and feed crops.
Commercial logging involves the extraction of timber from rain forests for sale in global markets, often resulting in extensive damage to forest ecosystems and loss of biodiversity. All of the listed activities are major threats to the survival of rain forests.
Mining for natural resources such as gold, oil, and minerals can also lead to deforestation and other environmental impacts.
The construction of dams can cause widespread ecological disruption, as reservoirs flood large areas of forest, altering water flows and disrupting habitats.
Even subsistence farming, while not typically as damaging as large-scale agriculture, can contribute to deforestation when forested land is cleared for small-scale farming or to provide fuelwood for cooking and heating.
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What wind is a result of adiabatic cooling?
a.
a. Advection fog
b.
b. Arctic Sea Smoke
c.
d. Upslope Fog
d.
c. Radiation Fog
The wind that is a result of adiabatic cooling is (d) upslope fog.
Adiabatic cooling occurs when air rises and expands, causing it to cool. As the air cools, its relative humidity increases until it reaches 100%, at which point water vapor condenses into visible water droplets or ice crystals, forming clouds or fog. In the case of upslope fog, which typically forms on the windward slopes of mountains, moist air is forced to rise up the slope and undergoes adiabatic cooling, leading to the formation of fog.
Advection fog, on the other hand, forms when warm, moist air moves over a cooler surface and is cooled to the dew point temperature, causing water vapor to condense. Arctic sea smoke is a type of fog that forms when cold air moves over warmer water, while radiation fog forms during calm, clear nights when the ground loses heat rapidly through radiation, cooling the air near the ground and causing water vapor to condense.
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Write a paragraph defining the term overfishing and what
problems can result from overfishing. in oceanography
Overfishing is a term used to describe the excessive harvesting of fish from a particular fishing ground or area. It occurs when more fish are caught than can be naturally replenished, leading to a decline in fish populations over time.
Overfishing can have serious consequences for both the environment and human communities that rely on fishing for their livelihoods. The depletion of fish populations can disrupt entire ecosystems, leading to imbalances in food webs and a loss of biodiversity. Additionally, many coastal communities around the world depend on fishing as a primary source of income, so overfishing can result in economic hardship and social instability. Ultimately, overfishing poses a significant threat to the health and sustainability of our oceans.
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Estimating the height of the gas-thrust region Refer to the diagram in your answer to Question 1. To a first-order, the height h of the gas-thrust region above the vent may be estimated by balancing kinetic and gravitational potential energy for a pyroclast particle with mass m:
1/2mu^2 = mgh
which results in the equation:
h = u^2/2g
where u is the vertical fluid velocity at the base of the gas-thrust region (the "eruption velocity" or "muzzle velocity") and g is the acceleration due to gravity (about 9.8 m/s2). The velocity u may be considered an average over the cross-sectional area of the vent. Here we ignore drag force (friction of the air slowing down the particle).
The volcanic glass used to make chipped stone tools is a particularly good material to perform trace-element analysis, and the used volcanic glass is also known as Obsidian.
The characterization of prehistoric bone has been carried out using trace element analysis and neutron activation. Strontium and barium, two alkaline earth elements, seem to be accurate markers of bone origin.
Obsidian is a naturally occurring, glassy volcanic substance that develops as massive, swiftly cooling lava flows or on the borders of lava domes. It is widespread throughout the world. Obsidian has been used to make mirrors, tools, decorations, and weapons throughout history. Obsidian, with its conchoidal fracture, which has smooth curved surfaces and sharp edges, was used to make the sharpest stone objects.
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Which of the following is NOT an element of ecosystem management?
a Do research to understand all parts of the ecosystem then make decisions to manage it. b Adapt management over time as new information about the ecosystem comes available. c Manage across whole landscapes, watersheds, or regions over ecological time scales.
d Consider human needs and promoting sustainable economic development. e Maintain biological diversity and essential ecosystem processes.
"Maintain biological diversity and essential ecosystem processes" is not an element of ecosystem management.
Ecosystem management is the process of managing and conserving the natural resources in a particular ecosystem, which involves multiple components. It includes researching and understanding all parts of the ecosystem, adapting management over time as new information becomes available, managing across whole landscapes, watersheds, or regions over ecological time scales, and considering human needs and promoting sustainable economic development.
Biological diversity, on the other hand, refers to the variety of living organisms in a particular ecosystem, including different species, their genetic variations, and their roles in the ecosystem. Maintaining biological diversity and essential ecosystem processes are critical for the survival of the ecosystem and the services it provides, but it is not the only element of ecosystem management.
Ecosystem management, therefore, aims to strike a balance between human needs and the conservation of natural resources, ensuring that essential ecosystem processes and biological diversity are maintained while promoting sustainable economic development.
The element that is NOT a part of ecosystem management among the given options is This phrase is unrelated to the topic and seems to be an instruction for the response length rather than an aspect of ecosystem management. The other options (a, b, c, d, and e) all represent important components of ecosystem management, such as research, adaptive management, landscape-level considerations, balancing human needs with sustainable development, and maintaining biological diversity and essential ecosystem processes.
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What is the steepest angle at which rock and soil will not move down slope? Angle of Propose Angle of Repose Angle of Report Angle of Obtuse
Bedding planes that are perpendicular to the slope provide a relatively unstable slope. O True /False
What is the most common mass wasting trigger? Human activities like grading a new road An oversteepened slope Increased water content in a slope Shaking produced by an earthquake
The answer is true. The steepest angle at which rock and soil will not move down slope is called the angle of repose. This angle varies depending on the properties of the soil and rocks, including their size, shape, and moisture content.
Generally, the angle of repose ranges from 25 to 45 degrees. This means that if a slope exceeds this angle, the rocks and soil are likely to move down the slope due to gravity.
Bedding planes that are perpendicular to the slope provide a relatively stable slope as they prevent the rocks and soil from moving easily. Therefore, the statement "Bedding planes that are perpendicular to the slope provide a relatively unstable slope" is false.
The most common mass wasting trigger is increased water content in a slope. This can happen due to heavy rainfall or melting snow. When water saturates the soil, it increases its weight and reduces its strength, making it more likely to move down the slope. While human activities like grading a new road or an oversteepened slope can also trigger mass wasting, they are not as common as increased water content.
Shaking produced by an earthquake can also trigger mass wasting, but this is usually in areas that are already prone to landslides.
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Why do we always see the same side of the Moon from Earth?
Draw the arrangement of the Sun, Earth and Moon for a Total Solar Eclipse
Draw the arrangement of the Sun, Earth and Moon for a Total Lunar Eclipse
What is an Annular Eclipse and WHY is the Sun not completed covered?
The reason we always see the same side of the Moon is due to a phenomenon known as synchronous rotation. This means that the Moon rotates on its axis at the same rate it orbits around Earth, which takes about 27.3 days. As a result, one side of the Moon is always facing Earth, while the other side is permanently facing away.
For a Total Solar Eclipse, the arrangement of the Sun, Earth, and Moon is as follows: The Moon passes between the Sun and Earth, blocking the entire disk of the Sun. This alignment causes the shadow of the Moon to fall on Earth, creating a total solar eclipse.
For a Total Lunar Eclipse, the arrangement of the Sun, Earth, and Moon is as follows: The Earth passes between the Sun and the Moon, casting its shadow on the Moon. As a result, the Moon appears to turn a reddish-brown color, hence the name "blood moon."
An Annular Eclipse occurs when the Moon is at its farthest point from Earth in its elliptical orbit and appears smaller in the sky. As a result, the Moon does not completely cover the Sun during a solar eclipse, leaving a ring of sunlight visible around the edge of the Moon. This is why an Annular Eclipse is also known as a "Ring of Fire" eclipse.
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Why is it important for forestry conservation technicians have
to be prepared to work with the public and deal with controversial
issues. What kind of issues do they deal with?
It is important for forestry conservation technicians to be prepared to work with the public and deal with controversial issues because their job involves managing and protecting forest resources, which can impact various stakeholders and involve differing opinions.
By being able to communicate effectively and address concerns, they can promote sustainable forest management and create a better understanding of conservation practices.
Some issues that forestry conservation technicians may deal with include:
1. Logging and deforestation: Balancing economic interests and ecological concerns is often challenging, as some groups may advocate for more logging for economic growth while others focus on preserving the forest ecosystem.
2. Forest fires: The management and prevention of forest fires can be controversial, with debates around controlled burns and fire suppression methods.
3. Wildlife habitat protection: Ensuring that forest management practices do not negatively impact endangered species or disrupt the overall balance of the ecosystem can be a contentious issue.
4. Recreational use of forests: Forestry conservation technicians need to find a balance between promoting responsible recreation in forests and preserving the natural environment. This can involve issues such as hiking trail management and preventing overuse.
By being well-prepared to address these issues, forestry conservation technicians can facilitate informed discussions and promote environmentally responsible practices.
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Question 45 1 pts What isare) the examples of greenhouse gas(es)? H20 CO2 03 All Question 46 1 pts What is not a source of CO2? Rock weathering Decomposing material Volcanoes Respiration
The answer to question 45 is:
CO2, O3, and H20 are examples of greenhouse gases.
The answer to question 46 is:
Rock weathering is not a significant source of CO2. The other options - decomposing material, volcanoes, and respiration - all release carbon dioxide into the atmosphere.
Greenhouse gases are gases that contribute to the greenhouse effect, which is the trapping of heat in the Earth's atmosphere. These gases absorb and emit infrared radiation, effectively trapping heat and warming the planet. CO2 (carbon dioxide), O3 (ozone), and H2O (water vapor) are examples of greenhouse gases.
Carbon Dioxide (CO2): Carbon dioxide is one of the most significant greenhouse gases. It is released through natural processes like respiration and volcanic eruptions, but human activities, particularly the burning of fossil fuels such as coal, oil, and natural gas, have significantly increased CO2 levels in the atmosphere. Deforestation and land-use changes also contribute to increased CO2 emissions. The high levels of CO2 in the atmosphere act as a blanket, trapping heat and contributing to global warming.
Ozone (O3): Ozone is a gas composed of three oxygen atoms (O3). While ozone is primarily found in the Earth's stratosphere, where it plays a crucial role in shielding the planet from harmful ultraviolet (UV) radiation, it also exists in the lower atmosphere, called the troposphere. In the troposphere, ozone is considered a greenhouse gas. It is produced through chemical reactions involving other pollutants like nitrogen oxides and volatile organic compounds. Ozone's greenhouse effect is relatively smaller compared to other gases, but it still contributes to the overall warming of the Earth's atmosphere.
Water Vapor (H2O): Water vapor is the most abundant greenhouse gas in the Earth's atmosphere. It is a natural component of the atmosphere and is constantly present in varying amounts depending on temperature and humidity. As temperatures rise, more water evaporates into the atmosphere, increasing the concentration of water vapor. Water vapor acts as a positive feedback mechanism in the climate system. As the climate warms, it leads to increased evaporation, which further amplifies the warming effect. However, unlike CO2 and O3, water vapor levels are highly variable and depend on local conditions, making it more influenced by climate feedback processes.
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T/F: The solar constant is a true physical constant
True. The solar constant is indeed a true physical constant.
It represents the amount of solar electromagnetic radiation received at the outer atmosphere of the Earth, and it is approximately 1361 watts per square meter (W/m²). The solar constant represents the average amount of solar energy that is incident per unit area per unit time and is considered to be relatively constant over time.
Although there may be slight variations due to factors such as solar activity and Earth-Sun distance, the solar constant is considered a fundamental constant in solar physics and is widely used in calculations and models related to solar radiation.
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